Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,698
- 69.5% of all ASNs
- Routed ASNs
- 54,036
- 61.6% of this type
- IPv4 addresses
- 915.9M
- 26.7% of global
- IPv6 /48s
- 3.63B
- 29.2% of global
Routing data · Oct 28, 2026, 16:21 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 37901 | AS13057 | MAERSK A/S |  Denmark | 256 | 0 | 1 |
| 37902 | AS13059 | EXTREME-SOLUTIONS |  Romania | 256 | 0 | 1 |
| 37903 | AS13060 | ASN-BASICNET |  Italy | 256 | 0 | 1 |
| 37904 | AS13117 | ASNXGEU |  United States | 256 | 0 | 1 |
| 37905 | AS13130 | Autostadt |  Germany | 256 | 0 | 1 |
| 37906 | AS13137 | AGENCIAEFE-AS |  Spain | 256 | 0 | 1 |
| 37907 | AS13154 | Reishauer-AG-AS |  Switzerland | 256 | 0 | 1 |
| 37908 | AS13160 | EMMELIBRI-AS | Italy | 256 | 0 | 1 |
| 37909 | AS13260 | Skuba |  Lithuania | 256 | 0 | 1 |
| 37910 | AS13278 | ASN-TEITR |  Türkiye | 256 | 0 | 1 |
| 37911 | AS13281 | HOTELMNGM-AS |  Ukraine | 256 | 0 | 1 |
| 37912 | AS13298 | SOS-Kinderdorf-AS |  Austria | 256 | 0 | 1 |
| 37913 | AS13308 | CHORUS-AS |  Sweden | 256 | 0 | 1 |
| 37914 | AS13339 | — | — | 256 | 0 | 1 |
| 37915 | AS13372 | Federated Investors | United States | 256 | 0 | 1 |
| 37916 | AS13418 | Fort Wayne Newspapers, Inc. | United States | 256 | 0 | 1 |
| 37917 | AS13423 | GALVESTON ISD | United States | 256 | 0 | 1 |
| 37918 | AS13430 | DC COMPUTERS | United States | 256 | 0 | 1 |
| 37919 | AS13439 | SCI REMC | United States | 256 | 0 | 1 |
| 37920 | AS13465 | Sam Houston Electric Cooperative, Inc. | United States | 256 | 0 | 1 |
| 37921 | AS13494 | Morningstar, Inc. | United States | 256 | 0 | 1 |
| 37922 | AS13508 | Baker Bros. Advisors, LLC | United States | 256 | 0 | 1 |
| 37923 | AS13509 | Mount Sinai South Nassau | United States | 256 | 0 | 1 |
| 37924 | AS13525 | Right Servers Inc. |  Canada | 256 | 0 | 1 |
| 37925 | AS13545 | Matthews International Capital Management, LLC | United States | 256 | 0 | 1 |
| 37926 | AS13547 | Porter Hospital | United States | 256 | 0 | 1 |
| 37927 | AS13556 | IBASIS INC. | United States | 256 | 0 | 1 |
| 37928 | AS13558 | Church Mutual Insurance Company | United States | 256 | 0 | 1 |
| 37929 | AS13575 | Wisconsin Public Power, Inc. | United States | 256 | 0 | 1 |
| 37930 | AS13582 | Cowan Systems, LLC | United States | 256 | 0 | 1 |
| 37931 | AS13583 | Allstate Identity Protection | United States | 256 | 0 | 1 |
| 37932 | AS13590 | Marcus Daly Memorial Hospital Corporation | United States | 256 | 0 | 1 |
| 37933 | AS13592 | Crown Castle Fiber LLC | United States | 256 | 0 | 1 |
| 37934 | AS13596 | Rymax Corp | United States | 256 | 0 | 1 |
| 37935 | AS13599 | Eisai Inc. | United States | 256 | 0 | 1 |
| 37936 | AS13610 | Provo Craft & Novelty, Inc. | United States | 256 | 0 | 1 |
| 37937 | AS13615 | Heritage Valley Health System | United States | 256 | 0 | 1 |
| 37938 | AS13618 | Holy Cross Energy | United States | 256 | 0 | 1 |
| 37939 | AS13619 | Thomson Reuters U.S. LLC | United States | 256 | 0 | 1 |
| 37940 | AS13622 | Sprisa Inc | United States | 256 | 0 | 1 |
| 37941 | AS13655 | Axxess Networks LLC | United States | 256 | 0 | 1 |
| 37942 | AS13683 | Auto-Wares Inc | United States | 256 | 0 | 1 |
| 37943 | AS13686 | AEG | United States | 256 | 0 | 1 |
| 37944 | AS13697 | Saber Healthcare Group | United States | 256 | 0 | 1 |
| 37945 | AS13714 | Afilias, Inc. | United States | 256 | 0 | 1 |
| 37946 | AS13715 | Upsher-Smith Laboratories Inc. | United States | 256 | 0 | 1 |
| 37947 | AS13718 | SOLUS ALTERNATIVE ASSET MANAGEMENT LP | United States | 256 | 0 | 1 |
| 37948 | AS13733 | Centre for Addiction and Mental Health | Canada | 256 | 0 | 1 |
| 37949 | AS13738 | Group One Trading LLC | United States | 256 | 0 | 1 |
| 37950 | AS13752 | P1FCU | United States | 256 | 0 | 1 |